7634459849856 has 128 divisors (see below), whose sum is σ = 23414967864960. Its totient is φ = 2158786805760.

The previous prime is 7634459849851. The next prime is 7634459849881. The reversal of 7634459849856 is 6589489544367.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (7634459849851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14379475 + ... + 14900946.

It is an arithmetic number, because the mean of its divisors is an integer number (182929436445).

Almost surely, 2^{7634459849856} is an apocalyptic number.

It is an amenable number.

7634459849856 is an abundant number, since it is smaller than the sum of its proper divisors (15780508015104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7634459849856 is a wasteful number, since it uses less digits than its factorization.

7634459849856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29280542 (or 29280530 counting only the distinct ones).

The product of its digits is 6270566400, while the sum is 78.

The spelling of 7634459849856 in words is "seven trillion, six hundred thirty-four billion, four hundred fifty-nine million, eight hundred forty-nine thousand, eight hundred fifty-six".